/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package controlador.visao.curso;

import java.sql.Statement;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;

/**
 *
 * @author euzinha
 */
@WebServlet(name="ExcluirCursos", urlPatterns={"/ExcluirCursos"})
public class ExcluirCursos extends HttpServlet {
    @Resource(name = "bancoNotas")
    private DataSource bancoNotas;


    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        Connection con = null;
        Statement stm = null;
        String id = request.getParameter("codigo");
        PrintWriter out = response.getWriter();
        try {
            con = bancoNotas.getConnection();
            stm = con.createStatement();
            stm.executeUpdate("delete from cursos where id="+id);

            request.getRequestDispatcher("ListarCursos").forward(request, response);

        }catch(SQLException e){
            System.out.println(e.getMessage());
        } finally {
            try {
                stm.close();
                con.close();
                out.close();
            } catch (SQLException ex) {
                Logger.getLogger(ViewCursos.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
